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Finding the Fourth Proportional to 248,602.17, 343,061.93 and 151,967.87

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Solution

The fourth proportional to 248,602.17, 343,061.93 and 151,967.87 is: 209,710.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,602.17 : 343,061.93 = 151,967.87 : x
  2. Step 2: Convert to fraction form
    248,602.17/343,061.93 = 151,967.87/x
  3. Step 3: Cross multiply
    248,602.17x = 343,061.93 × 151,967.87
  4. Step 4: Simplify right side
    248,602.17x = 52,134,390,020.35
  5. Step 5: Solve for x
    x = 52,134,390,020.35/248,602.17
  6. Step 6: Final answer
    x = 209,710.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.